Unaudited Condensed Consolidated Statements of Comprehensive Income (Parentheticals) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Tax on net unrealized holding gain (loss) on available for sale securities arising during the period	$ 1,957	$ (503)
Tax on reclassification adjustment for prior period unrealized gain recognized during current period	(27)	0
Tax on change in unfunded portion of postretirement benefit obligation	$ 12	$ 23